Gamma ray burst GRB 111228A optical afterglow observed.

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THO research team made observations with GRAS017 remote telescope about the gamma ray burst GRB 111228A optical afterglow. The brightness of the object was 18.7R magnitudes about 9,0 hours after the Swift -satellite discovered the GRB. This observation has been published in GCN 12754 circular.

Observers: Markku Nissinen, Veli-Pekka Hentunen and Tuomo Salmi.